Drain trap



FIG. 1 is a top, front, left side perspective view of the drain trap.

FIG. 2 is a front elevation view.

FIG. 3 is a rear elevation view.

FIG. 4 is a right side elevation view.

FIG. 5 is a left side elevation view.

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

The broken lines depict portions of the drain trap that form no part of the claim. 

CLAIM The ornamental design for a drain trap, as shown and described. 